Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface showing my new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken line showing of a display screen or portion thereof andgraphical elements within the display screen form no part of the claimeddesign.

The ornamental design for a display screen or portion thereof withgraphical user interface, as shown and described.